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Title: Magnetic and Dielectric Properties of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0 to 3.0)

Abstract

Single-phase polycrystalline samples of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0–3.0) were prepared by using a solid-state reaction method. The lattice constant is found to increase from 12.372 Å for x = 0.0 to 12.524 Å for x=3.0. The substitution of Sm{sup 3+} at Y{sup 3+} site is confirmed from the red shift of Raman F{sub 2g} mode. Magnetization loops measured at room temperature and the analysis of initial magnetization curves show that saturation magnetization value decreases with an increase in Sm concentration due to the possible antiferromagnetic interaction. On the other hand, temperature variation of magnetization plots shows that all the samples exhibit ferrimagnetic transition with transition temperature in the range of 550 K for x = 0.0 to 573 K for x=3.0. The dielectric constant increases upon Sm substitution, and the analysis of impedance and dielectric spectra shows the contribution of both grains and grain boundaries.

Authors:
; ;  [1]
  1. Indian Institute of Technology Guwahati, Department of Physics (India)
Publication Date:
OSTI Identifier:
22782481
Resource Type:
Journal Article
Journal Name:
Journal of Superconductivity and Novel Magnetism
Additional Journal Information:
Journal Volume: 31; Journal Issue: 7; Other Information: Copyright (c) 2018 Springer Science+Business Media, LLC, part of Springer Nature; http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1557-1939
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANTIFERROMAGNETISM; CONCENTRATION RATIO; DIELECTRIC MATERIALS; DIELECTRIC PROPERTIES; DOPED MATERIALS; FERRIMAGNETISM; FERRITE GARNETS; FERRITES; GRAIN BOUNDARIES; IMPEDANCE; LATTICE PARAMETERS; MAGNETIZATION; POLYCRYSTALS; RED SHIFT; SAMARIUM COMPOUNDS; SOLIDS; SPECTRA; SPECTROSCOPY; TRANSITION TEMPERATURE; YTTRIUM COMPOUNDS

Citation Formats

Aakansha,, Deka, Bipul, and Ravi, Seenipandian. Magnetic and Dielectric Properties of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0 to 3.0). United States: N. p., 2018. Web. doi:10.1007/S10948-017-4436-3.
Aakansha,, Deka, Bipul, & Ravi, Seenipandian. Magnetic and Dielectric Properties of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0 to 3.0). United States. doi:10.1007/S10948-017-4436-3.
Aakansha,, Deka, Bipul, and Ravi, Seenipandian. Sun . "Magnetic and Dielectric Properties of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0 to 3.0)". United States. doi:10.1007/S10948-017-4436-3.
@article{osti_22782481,
title = {Magnetic and Dielectric Properties of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0 to 3.0)},
author = {Aakansha, and Deka, Bipul and Ravi, Seenipandian},
abstractNote = {Single-phase polycrystalline samples of Y{sub 3−x}Sm{sub x}Fe{sub 5}O{sub 12} (x = 0.0–3.0) were prepared by using a solid-state reaction method. The lattice constant is found to increase from 12.372 Å for x = 0.0 to 12.524 Å for x=3.0. The substitution of Sm{sup 3+} at Y{sup 3+} site is confirmed from the red shift of Raman F{sub 2g} mode. Magnetization loops measured at room temperature and the analysis of initial magnetization curves show that saturation magnetization value decreases with an increase in Sm concentration due to the possible antiferromagnetic interaction. On the other hand, temperature variation of magnetization plots shows that all the samples exhibit ferrimagnetic transition with transition temperature in the range of 550 K for x = 0.0 to 573 K for x=3.0. The dielectric constant increases upon Sm substitution, and the analysis of impedance and dielectric spectra shows the contribution of both grains and grain boundaries.},
doi = {10.1007/S10948-017-4436-3},
journal = {Journal of Superconductivity and Novel Magnetism},
issn = {1557-1939},
number = 7,
volume = 31,
place = {United States},
year = {2018},
month = {7}
}